On Mon, Nov 12, 2012 at 1:15 PM, Jiri Kosina <jkosina@xxxxxxx> wrote:
> On Mon, 12 Nov 2012, Geert Uytterhoeven wrote:
>> On Mon, Nov 12, 2012 at 10:16 AM, Jiri Slaby <jslaby@xxxxxxx> wrote:
>> > In patch "HID: microsoft: fix invalid rdesc for 3k kbd" I fixed
>> > support for MS 3k keyboards. However the added check using memcmp and
>> > a compound statement breaks build on architectures where memcmp is a
>> > macro with parameters. The error looks there like (m68k-linux-gnu-gcc
>> > 4.1.2):
>> > hid-microsoft.c:51:18: error: macro "memcmp" passed 6 arguments, but takes just 3
>> > hid-microsoft.c: In function ‘ms_report_fixup’:
>> > drivers/hid/hid-microsoft.c:50: error: ‘memcmp’ undeclared (first use in this function)
>> > hid-microsoft.c:50: error: (Each undeclared identifier is reported only once
>> > /hid-microsoft.c:50: error: for each function it appears in.)
>>
>> The above 3 lines were actually from a build with a different config
>> --- which I didn't
>> notice at that time --- where <linux/string.h> was not indirectly included.
>
> Still the patch needs string.h include addition, otherwise you still are
> able to come up with m68k config that doesn't build, do I understand it
> correctly?
No.
My comment was purely cosmetic, as it applies to the quoted compiler error
messages only.
Your latest version doesn't use memcmp() anymore, so I think there's no need to
include <linux/string.h> anymore.
Gr{oetje,eeting}s,
Geert
--
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@xxxxxxxxxxxxxx
In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
-- Linus Torvalds
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